<!DOCTYPE html>
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<title>Dynamic radical: paint invalidation</title>
<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#radicals-msqrt-mroot">
<meta name="assert" content="">
<link rel="match" href="dynamic-radical-paint-invalidation-001-ref.html">
<style>
  @font-face {
    font-family: RadicalFont;
    src: url("/fonts/math/radical-displaystyleverticalgap7000-rulethickness1000.woff");
  }
  @font-face {
    font-family: RadicalFont2;
    src: url("/fonts/math/radical-kernbeforedegree4000-rulethickness1000.woff");
  }
  math {
      font-family: RadicalFont;
      font-size: 10px;
  }
  #container > div {
      height: 80px;
      border-top: solid;
  }
  .withPaddingBorderAndMargin {
      padding: 5px;
      border: 5px solid yellow;
      margin: 5px;
  }
</style>
<script>
  window.addEventListener("load", () => { document.fonts.ready.then(runTests); });
  function runTests() {
      // force initial layout so we're sure what we're testing against
      document.documentElement.getBoundingClientRect();

      var mroot = document.getElementsByTagName("mroot");
      var msqrt = document.getElementsByTagName("msqrt");

      // Modify base's width.
      msqrt[0].firstElementChild.setAttribute("width", "60px")
      mroot[0].firstElementChild.setAttribute("width", "60px")

      // Modify base's ascent.
      msqrt[1].firstElementChild.setAttribute("height", "20px")
      mroot[1].firstElementChild.setAttribute("height", "20px")

      // Modify base's descent.
      msqrt[2].firstElementChild.setAttribute("depth", "40px")
      mroot[2].firstElementChild.setAttribute("depth", "40px")

      // Modify the radical's font family.
      msqrt[3].parentNode.removeAttribute("style");
      mroot[3].parentNode.removeAttribute("style");

      // Modify radical's margin/border/padding
      msqrt[4].setAttribute("class", "withPaddingBorderAndMargin");
      mroot[4].setAttribute("class", "withPaddingBorderAndMargin");

      document.documentElement.classList.remove('reftest-wait');
  };
</script>
</head>
<body>
  <div id="container">
    <div>
      <math>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <msqrt>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
        </msqrt>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
    <div>
      <math>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <mroot>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
          <mspace width="20px" height="10px" depth="10px" style="background: lightblue"/>
        </mroot>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
    <div>
      <math>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <msqrt>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
        </msqrt>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
    <div>
      <math>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <mroot>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
          <mspace width="20px" height="10px" depth="10px" style="background: lightblue"/>
        </mroot>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
    <div>
      <math>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <msqrt>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
        </msqrt>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
    <div>
      <math>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <mroot>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
          <mspace width="20px" height="10px" depth="10px" style="background: lightblue"/>
        </mroot>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
    <div>
      <math style="font-family: RadicalFont2">
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <msqrt>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
        </msqrt>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
    <div>
      <math style="font-family: RadicalFont2">
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <mroot>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
          <mspace width="20px" height="10px" depth="10px" style="background: lightblue"/>
        </mroot>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
    <div>
      <math>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <msqrt>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
        </msqrt>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
    <div>
      <math>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
        <mroot>
          <mspace width="20px" height="10px" depth="10px" style="background: blue"/>
          <mspace width="20px" height="10px" depth="10px" style="background: lightblue"/>
        </mroot>
        <mspace width="20px" height="10px" depth="10px" style="background: gray"/>
      </math>
    </div>
  </div>
  <script src="/mathml/support/feature-detection.js"></script>
  <script>MathMLFeatureDetection.ensure_for_match_reftest("has_mspace");</script>
</body>
</html>
